diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/DelegateUtils.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/DelegateUtils.cs
index ef3c9c79d4dc..7a88fea5f1fc 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/DelegateUtils.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/DelegateUtils.cs
@@ -207,7 +207,7 @@ private static bool TrySerializeSingleDelegate(Delegate @delegate, [MaybeNullWhe
 
                             foreach (FieldInfo field in fields)
                             {
-                                Type fieldType = field.GetType();
+                                Type fieldType = field.FieldType;
 
                                 Variant.Type variantType = GD.TypeToVariantType(fieldType);
 
@@ -216,7 +216,7 @@ private static bool TrySerializeSingleDelegate(Delegate @delegate, [MaybeNullWhe
 
                                 static byte[] VarToBytes(in godot_variant var)
                                 {
-                                    NativeFuncs.godotsharp_var_to_bytes(var, false.ToGodotBool(), out var varBytes);
+                                    NativeFuncs.godotsharp_var_to_bytes(var, godot_bool.True, out var varBytes);
                                     using (varBytes)
                                         return Marshaling.ConvertNativePackedByteArrayToSystemArray(varBytes);
                                 }
@@ -483,7 +483,7 @@ private static bool TryDeserializeSingleDelegate(byte[] buffer, [MaybeNullWhen(f
 
                             if (fieldInfo != null)
                             {
-                                var variantValue = GD.BytesToVar(valueBuffer);
+                                var variantValue = GD.BytesToVarWithObjects(valueBuffer);
                                 object? managedValue = RuntimeTypeConversionHelper.ConvertToObjectOfType(
                                     (godot_variant)variantValue.NativeVar, fieldInfo.FieldType);
                                 fieldInfo.SetValue(recreatedTarget, managedValue);
@@ -799,7 +799,7 @@ private static readonly System.Collections.Generic.Dictionary<Type, ConvertToSys
                     return func(variant);
 
                 if (typeof(GodotObject).IsAssignableFrom(type))
-                    return Convert.ChangeType(VariantUtils.ConvertTo<GodotObject>(variant), type, CultureInfo.InvariantCulture);
+                    return VariantUtils.ConvertTo<GodotObject>(variant);
 
                 if (typeof(GodotObject[]).IsAssignableFrom(type))
                 {
@@ -818,7 +818,7 @@ static GodotObject[] ConvertToSystemArrayOfGodotObject(in godot_array nativeArra
                     }
 
                     using var godotArray = NativeFuncs.godotsharp_variant_as_array(variant);
-                    return Convert.ChangeType(ConvertToSystemArrayOfGodotObject(godotArray, type), type, CultureInfo.InvariantCulture);
+                    return ConvertToSystemArrayOfGodotObject(godotArray, type);
                 }
 
                 if (type.IsEnum)